Home / 17,988.18-26,983.62-6,138.30

Finding the Fourth Proportional to 17,988.18, 26,983.62 and 6,138.30

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Solution

The fourth proportional to 17,988.18, 26,983.62 and 6,138.30 is: 9,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.18 : 26,983.62 = 6,138.30 : x
  2. Step 2: Convert to fraction form
    17,988.18/26,983.62 = 6,138.30/x
  3. Step 3: Cross multiply
    17,988.18x = 26,983.62 × 6,138.30
  4. Step 4: Simplify right side
    17,988.18x = 165,633,554.65
  5. Step 5: Solve for x
    x = 165,633,554.65/17,988.18
  6. Step 6: Final answer
    x = 9,207.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.